https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85861
--- Comment #9 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Manuel López-Ibáñez from comment #8) > (In reply to Eric Gallager from comment #7) > > > Does anyone know the history -Wconversion does not already turn on > > > sign-conversion warnings for C++ code? > > This is how historically the C++ FE worked and how Gabriel (at the time > diagnostics maintainer) wished to keep it working when the new -Wconversion > was implemented: https://gcc.gnu.org/wiki/NewWconversion > > I don't remember the rationale but it should be somewhere in the gcc-patches > archives around 2006-2007. Now I wish I have added it as a comment to the > code where the difference is implemented. Gabriel is gdr, right? Does his gcc dot gnu dot org email still work, or does he have a better one I should have cc-ed him with last time instead? There are like 6 of him in the email auto-suggestion list...